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Inclusions of gilalite aggregates in rock crystal from Brazil
Spinel crystal in dolomite marble, Burma
Colour zoning in ruby from Mong-Shu, Burma
Two-phase inclusions in tourmaline from Namibia
Twin-crystal of chrysoberyl
Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil
Bubbles and swirls in moldavite (natural glass)
Structure in a healing fissure in topaz from Brazil

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